veyron/services/mgmt/node: reducing the chance that TestUpdate() will
time out.

Change-Id: I91821f12263c4dc21bb6bdb9d08d335554a4055c
diff --git a/services/mgmt/node/impl/invoker.go b/services/mgmt/node/impl/invoker.go
index e32ff53..3a3df2e 100644
--- a/services/mgmt/node/impl/invoker.go
+++ b/services/mgmt/node/impl/invoker.go
@@ -430,7 +430,7 @@
 		return errOperationFailed
 	}
 	// Wait for the child process to start.
-	testTimeout := 2 * time.Second
+	testTimeout := 10 * time.Second
 	if err := handle.WaitForReady(testTimeout); err != nil {
 		vlog.Errorf("WaitForReady(%v) failed: %v", testTimeout, err)
 		if err := cmd.Process.Kill(); err != nil {